Aizoaceae image
Patricia Fall  
Succulent herbs with CAM photosynthesis and simple opposite succulent leaves with pinnate venation, epidermis with many large, bladderlike cells. Flowers are solitary or cymose, with uniserate perianth, a hypanthium, and many stamens. Ovary is inferior or superior, usually with axile placentation and the presence of betalains. Fruit usually a loculicidal, septicidal or circumcissile capsule.  
Species within Lista anotada de la flora vascular de la Sierra de Mazatán (Huérfana), centro de Sonora, México